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{f5547162-5df2-4216-9d7d-87cc3068bb50}w64.sys

SaltarSmart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {f5547162-5df2-4216-9d7d-87cc3068bb50}w64.sys by SaltarSmart has been detected as adware by 31 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{f5547162-5df2-4216-9d7d-87cc3068bb50}w64”. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
StdLib  (signed by SaltarSmart)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
ea9b603b6ccfebdd2786ef6db1797e0c

SHA-1:
fd55e8316adba9afa08d775305cf221922598837

SHA-256:
3c1f1034cf52ac4565b1e5b082ed0819318fd28dd54a35e394894c33dde60eb8

Scanner detections:
31 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/25/2024 11:11:21 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.E
357

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2015.03.04

avast!
MSIL:BrowseFox-AR [PUP]
2014.9-160212

AVG
SaltarSmart
2017.0.2835

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.16212

Bitdefender
Adware.NetFilter.E
1.0.20.215

Clam AntiVirus
Win.Adware.Swiftbrowse-75
0.98/21511

Comodo Security
UnclassifiedMalware
21286

Dr.Web
Trojan.BPlug.123
9.0.1.043

Emsisoft Anti-Malware
Adware.NetFilter
8.16.02.12.06

ESET NOD32
Win64/BrowseFox.CG (variant)
10.10683

Fortinet FortiGate
Riskware/PUP_z
2/12/2016

F-Prot
W64/A-e967bae2
v6.4.7.1.166

F-Secure
Adware.NetFilter.E
11.2016-12-02_6

G Data
Adware.NetFilter
16.2.25

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.201.15304

Kaspersky
not-a-virus:AdWare.Win32.Zaitu
14.0.0.671

McAfee
RDN/Generic PUP.z!ed
5600.6491

MicroWorld eScan
Adware.NetFilter.E
17.0.0.129

NANO AntiVirus
Riskware.Win64.Zaitu.dogqha
0.30.0.296

Norman
Adware.SwiftBrowse.CH
11.20160212

nProtect
Adware.NetFilter.E
15.03.04.01

Reason Heuristics
PUP.Yontoo.SaltarSmart (M)
16.2.12.18

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
9327

Trend Micro House Call
TROJ_GEN.R0C1C0ELR14
7.2.43

Trend Micro
TROJ_GEN.R0C1C0ELR14
10.465.12

VIPRE Antivirus
Trojan.Win32.Generic
38104

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.2088

File size:
59.7 KB (61,120 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{f5547162-5df2-4216-9d7d-87cc3068bb50}w64.sys

Digital Signature
Signed by:
SaltarSmart

Authority:
VeriSign, Inc.

Valid from:
8/13/2013 2:00:00 AM

Valid to:
8/14/2015 1:59:59 AM

Subject:
CN=SaltarSmart, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=SaltarSmart, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
75908B9BAFC78AEAC30578D5193F6DC8

File PE Metadata
Compilation timestamp:
8/7/2014 1:52:18 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:zot2dxF9O8ZF33iqiIy9387Hp9XcfBzSowidIyx:z9JRicy938Lp9eW1jU

Entry address:
0xF064

Entry point:
48, 83, EC, 28, 4C, 8B, C2, 4C, 8B, C9, E8, 95, FF, FF, FF, 49, 8B, D0, 49, 8B, C9, 48, 83, C4, 28, E9, 2E, 20, FF, FF, CC, CC, 38, F2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, F6, 00, 00, 60, C1, 00, 00, 28, F1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, F9, 00, 00, 50, C0, 00, 00, D8, F0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, FA, 00, 00, 00, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 9A, FA, 00, 00, 00, 00, 00, 00, 86, FA, 00, 00...
 
[+]

Entropy:
5.9522

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{f5547162-5df2-4216-9d7d-87cc3068bb50}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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